Mushroom-bullet.



A.B.GI ILLY. MUSHROOM BULLET.

Patented Aug. 19, 1913.

APPLICATION FILED JUN 91 WITNESSES: 017%; .INl/ENTOR I I BY i jaw m w W ATTORNEY UNITED STATES PATENT OFFICE.

ALBERT B. GULLY, OF BRIDGEPORT, CONNECTICUT, ASSIGNOR TO THE UNION METAL- LIC CARTRIDGE COMPANY, OF BRIDGEPORT, CONNECTICUT, A CORPORATION OF CONNECTICUT.

MUSHROOM-BULLET.

To all whom it may concern:

Be it known that I, ALBERT B. GULLY, a citizen of the United States, residing at Bridgeport, county of Fairficld, State of Connecticut, have invented an Improvement in lvIushroom-Bullets, of which the following is a specification.

This invention has for its object to produce a mushroom bullet which shall have theshocking powers of ordinary soft nosed bullets and which shall combine therewith the qualities so far as relates to a flat trajectory, muzzle energy, velocity, range, penetrative power and accuracy of ordinary full jacketed bullets.

In order to accomplish these results I have devised the novel, hard pointed and practically full jacketed mushroom bullet of which the following description in connection with the accompanying drawing is a specification, reference characters being used to indicate the several parts.

Figures 1, 2 and 3 are longitudinal sections illustrating slightly variant ways in which I have carried my invention into effect, and Fig. 4 is a section on the line t4 in Fig. 1, looking in the direction of the arrows.

1O denotes a core of relatively soft metal and 11 a jacket of relatively hard metal which wholly covers the base of the core and extends, toward the point, two-thirds more or less the length of the core.

The essential feature of the invention is that I provide the bullet with a hollow tip 12 of relatively hard metal which is drawn in the form of a shell closed at one end which has imparted to it substantially the shape of the tip of the completed bullet, and the open end of which is embedded in the core in the completed bullet, leaving a space between the tip and the end of the jacket to be filled by the metal of the core, as clearly shown in the drawing, the entire tip also being filled by the relatively soft metal of the core.

In making my novel bullets, the jackets and tips are drawn independently and the cores of relatively soft metal are cast in the form of slugs. The jackets with the cores therein are placed in dies, the tips are placed in the dies with the point ends of the cores entering the open ends of the tips, and then the parts are swaged to the form of the completed bullets by impact with the Specification of Letters Iatent.

Application filed June 23, 1913.

Patented Aug. 19,1913.

Serial No. 775,368.

dies, the metal of the cores filling the tips and passing outward between the metal of the tips and the metal of the jackets and completing the contour of the bullets, so that between the exposed ends of the tips, which may extend an eighth more or less of the length of the bullets, and the open ends of the jackets the superficial contour of the bullets will consist of the relatively soft metal of the cores, as at 13.

In the form illustrated in Fig. 1, commencing at the end of the exposed portion of the tip, the open end of the tip is closed inward at an obtuse angle to the axis of the core, as at 14, the object of which is to increase the space between the tip and the end of the jacket to be filled by the soft metal of the core.

In the form illustrated in Fig. 2, the inner end of the tip is not closed inward and the sides extend from the end of the exposed portion of the tip into the metal of the core parallel with the axis of the core, as at 16.

In the form illustrated in Fig. 3 the tip is longer and the inner end thereof commencing with the end of the exposed portion is closed inward at an obtuse angle to the axis of the core from the end of the exposed portion of the tip to the open end of the tip, which extends well past the forward end of the jacket as at 17. These details of construction may be greatly varied without departing from the principle of the invention.

'When my novel bullet strikes an objec tive, the tip is checked, but owing to the softness of the metal of the core, between the end of the exposed portion of the tip and the end of the jacket, the impetus of the bullet will cause the relatively soft metal of the core to be forced outward between the jacket and the portion of the tip embedded in the core. In practice, the inner end of the tip will be forced into the core and will tend to direct the portion of the metal of the core outside the inner end of the tip outward laterally causing it to roll over and also to spread the outer end of the jacket.

Having thus described my invention I claim:

1. A bullet comprising a core of relatively soft metal, a jacket inclosing the base of the core and extending toward the point thereof, and a tip of relatively hard metal drawn in the form of a shell and closed at one end to form the point of the bullet, the parts being swaged together, the open end of the tip being embedded in the core, and the metal of the core wholly filling the tip and also forming the superficial contour of the completed bullet between the end of the exposed portion of the tip and the end of the jacket.

2. A bullet of the character described comprising 'a core, a jacket inolosing the base of the core and extending toward the point and a relatively hard hollow tip, the open end of which is embedded in the core, the parts being swaged together and the metal of the core filling the tip and forming the superficial contour of the bullet between the exposed end of the tip and the end of the jacket.

3. A bullet of the character described comprising a core, a jacket inclosing the base of the core and extending toward the point, and a relatively hard hollow tip whose open end is closed inward and extends past the end of the jacket, the parts being swaged together whereby the metal of the core is caused to fill the tip and to form the superficial contour of the bullet between the exposed end of the tip and the end of the jacket.

i. A bullet of the character described comprising a core, a jacket wholly covering the base of the core and extending toward the point and a relatively hard hollow tip whose open end is closed inward for the purpose set forth, the parts being swaged together whereby the metal of the core is caused to fill the tip and to form the superficial contour of the bullet between the exposed end of the tip and the end of the jacket.

In testimony whereof I aflix my signature in presence of two witnesses.

ALBERT B. GULLY.

Witnesses:

CHARLES F. LINDSAY, MARY S. BURROUGHS.

Gopies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, I). G. 

